On Thu, Sep 15, 2016 at 4:13 PM, Davide Ferrari <davide@billymob.com> wrote:

Strange..now it's working :? I've added successfully a fourth server to the cluster without touching anything, a part migrating the HE vm to another host.

But now it seems that 2 of the hosts are not recognized as working. When I try to migrate the HostedEngine to another machine I get:

The host hosted_engine_1 did not satisfy internal filter HA because it is not a Hosted Engine host.
The host hosted_engine_3 did not satisfy internal filter HA because it is not a Hosted Engine host.

hosted_engine_2 is in maintanaince mode right now and 4 is the one that is running the VM. The VM was first migrated from 1 to 2, then from 2 it started giving those errors, then I successfully added 4 and I could migrate the VM to it, and now it is stuck there.

I'm trying to look through the VDMS logs but oh boy, they are so verbose!

Did you added your additional hosted-engine hosts from CLI or from the web interface (there is special sub-panel in the add host dialog)?

I strongly recommend the second way.

 

2016-09-15 15:11 GMT+02:00 Davide Ferrari <davide@billymob.com>:

Hello again

as I said I'm a beginner with OVirt and I was playing with a proof-of-concept cluster with OVirt 4.0 + GlusterFS 3.8, following this guide

http://www.ovirt.org/blog/2016/03/up-and-running-with-ovirt-3-6/

(it works smoothly with 4.0 too)

I've created the cluster and the engine is running as an higly available VM in the cluster itself with hosted-engine --deploy but now I want to add a fourth machine to the cluster but I get this error:

 Cannot automatically add the host to cluster Default: Cannot add Host. There is no available server in the cluster to probe the new server.

both if I try to add an host from Ovirt AAdmin GUI or if I try to run "hosted-engine --deploy" on the new machine. Is it possible to have this cluster conf (with the engine running as a VM) with 4 or more machines? What thing should I have to do?

Thanks in advance

--

Davide Ferrari

Senior Systems Engineer

--

Davide Ferrari

Senior Systems Engineer

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